Physical

Catalytic and molecular insights of the esterification of ibuprofen and ketoprofen with glycerol

Authors: Toledo, MV; Jose, C; Suster, CRL; Collins, SE; Portela, R; Banares, MA; Briand, LE

Article.
Mol. Catal.. vol: 513. page: 2468-8231.
Date: AUG. 2021.
Doi: 10.1016/j.mcat.2021.111811.

Abstract:
The esterification of rac-ibuprofen and rac-ketoprofen with glycerol catalyzed with the commercial biocatalyst Novozym (R) 435 was investigated at 45 degrees C with various profen: glycerol molar ratios using 2-propanol as co-solvent in a [read more]

2021-08-29T00:00:00+02:00Categories: Publications 2021|Tags: , |

Effect of the Metal Deposition Order on Structural, Electronic and Catalytic Properties of TiO2-Supported Bimetallic Au-Ag Catalysts in 1-Octanol Selective Oxidation

Authors: Kotolevich, Y; Pakrieva, E; Kolobova, E; Farias, MH; Bogdanchikova, N; Corberan, VC; Pichugina, D; Nikitina, N; Carabineiro, SAC; Pestryakov, A

Article.
Catalysts. vol: 11. page: .
Date: JUL. 2021.
Doi: 10.3390/catal11070799.

Abstract:
Au and Ag were deposited on TiO2 modified with Ce, La, Fe or Mg in order to obtain bimetallic catalysts to be used for liquid-phase oxidation of 1-octanol. The [read more]

2021-07-29T00:00:00+02:00Categories: Publications 2021|Tags: , |

Implications of Co-Feeding Water on the Growth Mechanisms of Retained Species on a SAPO-18 Catalyst during the Methanol-to-Olefins Reaction

Authors: Valecillos, J; Hita, I; Sastre, E; Aguayo, AT; Castano, P

Article; Early Access.
ChemCatChem. vol: . page: 1867-3880.
Date: . .
Doi: 10.1002/cctc.202100124.

Abstract:
The dynamics of retained and deactivating species in a SAPO-18 catalyst during the methanol-to-olefins reaction have been followed using a combination of ex-situ and in-situ techniques in differential and integral reactors.The retained species were analyzed using extraction, [read more]

2021-07-01T18:00:42+02:00Categories: Publications 2021|Tags: , |

The relevance of Lewis acid sites on the gas phase reaction of levulinic acid into ethyl valerate using CoSBA-xAl bifunctional catalysts

Authors: Munoz-Olasagasti, M; Granados, ML; Jimenez-Gomez, CP; Cecilia, JA; Maireles-Torres, P; Dumesic, JA; Mariscal, R

Article.
Catal. Sci. Technol.. vol: 11. page: 2044-4753.
Date: jun-21. 2021.
Doi: 10.1039/d1cy00166c.

Abstract:
A series of Co supported on Al-modified SBA-15 catalysts has been studied in the gas phase direct transformation of levulinic acid (LA) into ethyl valerate (EV) using a continuous fixed-bed reactor and ethanol [read more]

2021-06-21T00:00:00+02:00Categories: Publications 2021|Tags: , |

Short-channel mesoporous SBA-15 silica modified by aluminum grafting as a support for CoRu Fischer-Tropsch synthesis catalysts

Authors: Mohammadnasabomran, S; Marquez-Alvarez, C; Perez-Pariente, J; Martinez, A

Article.
Catal. Sci. Technol.. vol: 11. page: 2044-4753.
Date: jun-21. 2021.
Doi: 10.1039/d0cy02418j.

Abstract:
Highly ordered short-channel mesoporous silica SBA-15 with large pores (11.2 nm) has been synthesized by using tetramethyl orthosilicate (TMOS) as a silica source, the amphiphilic block copolymer Pluronic PE-10400 as a structure-directing agent, and 1,3,5-triisopropylbenzene as a swelling agent. [read more]

2021-06-21T00:00:00+02:00Categories: Publications 2021|Tags: , |

Sustainable M-MOF-74 (M = Cu, Co, Zn) prepared in methanol as heterogeneous catalysts in the synthesis of benzaldehyde from styrene oxidation

Authors: Flores, JG; Diaz-Garcia, M; Ibarra, IA; Aguilar-Pliego, J; Sanchez-Sanchez, M

Article.
J. Solid State Chem.. vol: 298. page: 0022-4596.
Date: JUN. 2021.
Doi: 10.1016/j.jssc.2021.122151.

Abstract:
Metal-Organic Framework (MOF) materials are promising heterogeneous catalysts in different areas including Fine Chemistry, mainly if they possess open metal sites and if they are nanocrystalline. In this work, a new sustainable methodology to obtain nanocrystalline [read more]

Evaluation of the role of graphene-based Cu(i) catalysts in borylation reactions dagger

Authors: Franco, M; Sainz, R; Lamsabhi, A; Diaz, C; Tortosa, M; Cid, MB

Article.
Catal. Sci. Technol.. vol: 11. page: 2044-4753.
Date: may-21. 2021.
Doi: 10.1039/d1cy00104c.

Abstract:
Carbon-supported catalysts have been considered as macromolecular ligands which modulate the activity of the metallic catalytic center. Understanding the properties and the factors that control the interactions between the metal and support allows a fine [read more]

2021-05-21T00:00:00+02:00Categories: Publications 2021|Tags: , |

Carbothermally generated copper-molybdenum carbide supported on graphite for the CO2 hydrogenation to methanol

Autores: Dongil, AB; Conesa, JM; Pastor-Perez, L; Sepulveda-Escribano, A; Guerrero-Ruiz, A; Rodriguez-Ramos, I

Artículo; Early Access.
Catal. Sci. Technol.. vol: . page: 2044-4753.
Fecha: . .
Doi: 10.1039/d1cy00410g.

Resumen:
The carbothermal synthesis of monometallic and bimetallic molybdenum carbide and copper, supported on high surface area graphite (H), has been studied by in situ XRD, XPS, D-2-TPD, TEM/STEM, TG-mass spectrometry, and N-2 adsorption. [read more]

2021-05-15T10:13:37+02:00Categories: Publications 2021|Tags: , |

Insight into the mechanism of the water-gas shift reaction over Au/CeO2 catalysts using combined operando spectroscopies

Authors: Ziemba, M; Ganduglia-Pirovano, MV; Hess, C

Article.
Faraday Discuss.. vol: 229. page: 1359-6640.
Date: may-01. 2021.
Doi: 10.1039/c9fd00133f.

Abstract:
The mechanism of the low-temperature water-gas shift (LT-WGS) reaction over Au/CeO2 catalysts with different ceria terminations, i.e., (111), (110), and (100) facets, was investigated. Using combined operando Raman and UV-Vis spectroscopy as well as isotope exchange experiments, we are able to draw [read more]

2021-05-01T00:00:00+02:00Categories: Publications 2021|Tags: , |
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